<?php

// Check for Widget Context plugin
if ( ! class_exists( 'widget_context' ) )
	die;


// Go!
WidgetContextCustomCPTTax::instance();


class WidgetContextCustomCPTTax {

	private static $instance;
	private $wc;
	public $post_types;
	public $taxonomies;


	static function instance() {

		if ( ! self::$instance )
			self::$instance = new self();

		return self::$instance;

	}


	private function __construct() {

		$this->wc = widget_context::instance();

		add_filter( 'widget_contexts', array( $this, 'add_context' ) );

		add_filter( 'widget_context_control-custom_post_types_taxonomies', array( $this, 'context_controls' ), 10, 2 );

		add_filter( 'widget_context_check-custom_post_types_taxonomies', array( $this, 'context_check' ), 10, 2 );

	}


	function set_objects() {

		if ( is_array( $this->post_types ) )
			return;

		$this->post_types = get_post_types(
				array(
					'public' => true,
					'_builtin' => false,
					'publicly_queryable' => true
				),
				'objects'
			);

		$this->taxonomies = get_taxonomies(
				array(
					'public' => true,
					'_builtin' => false
				),
				'objects'
			);

	}


	function add_context( $contexts ) {

		$contexts[ 'custom_post_types_taxonomies' ] = array(
				'label' => __( 'Custom Post Types and Taxonomies', 'widget-context' ),
				'description' => __( 'Context based custom post types and taxonomies', 'widget-context' ),
				'weight' => 10
			);

		return $contexts;

	}


	function context_check( $check, $settings ) {

		if ( empty( $settings ) )
			return $check;

		$status = array();

		if ( ! is_array( $this->post_types ) )
			$this->set_objects();

		foreach ( $this->post_types as $post_type => $post_type_settings ) {

			if ( isset( $settings[ 'is_singular-' . $post_type ] ) && $settings[ 'is_singular-' . $post_type ] )
				$status[ 'is_singular-' . $post_type ] = is_singular( $post_type );

			if ( isset( $settings[ 'is_archive-' . $post_type ] ) && $settings[ 'is_archive-' . $post_type ] )
				$status[ 'is_archive-' . $post_type ] = is_post_type_archive( $post_type );

		}

		foreach ( $this->taxonomies as $taxonomy => $tax_settings ) {

			if ( isset( $settings[ 'is_tax-' . $taxonomy ] ) && $settings[ 'is_tax-' . $taxonomy ] )
				$status[ 'is_tax-' . $taxonomy ] = is_tax( $taxonomy );

		}

		$matched = array_intersect_assoc( $settings, $status );

		if ( ! empty( $matched ) )
			return true;

		return $check;

	}


	function context_controls( $control_args ) {

		$options = array();
		$out = array();

		if ( ! is_array( $this->post_types ) )
			$this->set_objects();

		foreach ( $this->post_types as $post_type => $post_type_settings ) {

			$options[ 'is_singular-' . $post_type ] = sprintf(
					__( 'All "%s" posts', 'widget-context' ),
					$post_type_settings->label
				);

			if ( $post_type_settings->has_archive )
				$options[ 'is_archive-' . $post_type ] = sprintf(
					__( 'Archive of "%s" posts', 'widget-context' ),
					$post_type_settings->label
				);

		}

		foreach ( $this->taxonomies as $taxonomy => $tax_settings ) {

			$options[ 'is_tax-' . $taxonomy ] = sprintf(
					__( 'All "%s" taxonomy archives', 'widget-context' ),
					$tax_settings->label
				);

		}

		foreach ( $options as $option => $label )
			$out[] = $this->wc->make_simple_checkbox( $control_args, $option, $label );

		if ( ! empty( $out ) )
			return implode( '', $out );

		return sprintf( '%s', esc_html__( 'None.', 'widget-context' ) );

	}


}